براغي رأس سداسية بنقطة كوب 3/8-16 × 1-1/4" | فولاذ سبائكي مطلي بالزنك (100 / عبوة)

The hex socket drive made tightening these in a cramped gearbox a breeze, and the cup point bit in firmly without slipping. All 100 came uniformly plated with clean threads, no duds in the batch.

I was worried about stripping these in a tight spot, but the cup point design seated flush without any issue. The zinc plating looks clean and seems durable.

These set screws tightened down exactly where I needed them, and the hex socket drive made it easy to get good torque even in a cramped spot. The zinc plating looks clean and the cup point grabbed the shaft firmly without any slipping.